- Cadell, Robert 1, 2, 3, 4, 5
- Calder, Angus 1, 2
- The Caledonian Comet 1
- Callet, Pierre Auguste 1
- Canongate Wall 1
- Cargill, Revd Josiah 1
- Carlyle, Thomas 1, 2
- Caroline of Brunswick, wife of George IV 1, 2
- Castle Dangerous 1, 2, 3, 4, 5
- Castlereagh, Robert Stewart, Viscount 1, 2, 3
- Cato Street Conspiracy 1
- Catrail 1
- Celtic Club 1
- Celtic influence 1
- Celtic Society 1, 2
- Chainmail, Mr 1
- Chambers, Robert 1
- Charpentier, Charlotte see Scott, Charlotte
- Chesterton, G K 1
- The Chronicles of the Canongate 1, 2, 3, 4, 5, 6
- Chronological Notes of Scottish Affairs from 1680 to 1701 1
- Clarke, Mary Anne 1
- Cleishbotham, Jedediah 1, 2, 3, 4, 5, 6
- Clutterbuck, Captain 1, 2, 3, 4, 5
- Cobbett, William 1
- Cockburn, Henry 1, 2, 3, 4, 5
- Coleridge, Samuel Taylor 1, 2
- Colman, George, the Younger, The Lady of the Wreck 1
- Common Ridings 1
- Congress System 1
- Congress of Verona (1822) 1, 2
- Constable, Archibald 1, 2, 3, 4, 5, 6, 7
- Constable & Co. 1, 2
- Constable-Maxwell, Joseph 1
- Cooper, James Fenimore 1, 2, 3
- Corson, Dr James: Corson collection 1
- Count Robert of Paris 1, 2, 3, 4
- Craig, James 1
- Crockett, S R 1
- Croftangry, Chrystal 1, 2
- Crumey, Andrew 1
- Curtis, Sir William 1